Catalog

Surge Protection for Power Lines

DIN-Rail IEC Type 2+3 / Class II+III

Surge-Trap® Pluggable STPT23 Series - 20kA

STP T23 20 is the series of combined Type 2+3/Class II+III devices for discharging voltage surges while providing a very fine voltage protection level, in accordance with EN/IEC 61643. Suitable as the final stage of protection in panels with Type 2 protection devices installed upstream such as STP T2 40 SPDs. These SPDs should be installed as close as possible to the equipment being protected.